> Even if it is just software, expect an hour to days at a service center to do the update, if the techs can figure it out.

Ahh, yes, the dinosaurs and their bumbling cavemen 'techs'.

Meanwhile in the real world, while my Audi gets a lot of OTA updates, updates done at the dealership are done by plugging a USB drive into the car.

Hopefully the techs can figure that out, if we give them a few days...